Ph儀表是一種常用的儀器設(shè)備,主要用來精密測(cè)量液體介質(zhì)的酸堿度值,廣泛應(yīng)用于工業(yè)、農(nóng)業(yè)、科研、環(huán)保等領(lǐng)域。
測(cè)量原理:
測(cè)量電極浸入溶液中,H+離子在電極膜和溶液之間產(chǎn)生電池電壓,電極產(chǎn)生的電池電壓與PH值成正比。控制器內(nèi)置微機(jī)電路通過測(cè)量電池電壓獲得PH值。
![在線PH/ORP計(jì)](https://img58.chem17.com/gxhpic_201f2f0cec/e6f2b0f98c8fa8625762aa7ed9531e98a7c30f0e5095fc8622251a7f72af5595bf26e16a4ba1216a.jpg)
LH-PH-S型在線PH/ORP計(jì)產(chǎn)品特點(diǎn):
* Modbus 485與4-20mA同時(shí)輸出,直接連接電腦和PLC等系統(tǒng)
*低阻抗敏感玻璃膜(采用瑞士技術(shù))
*內(nèi)部信號(hào)隔離技術(shù),搞干擾性強(qiáng)
*良好的再現(xiàn)性,熱穩(wěn)定性
在O-14PH范圍內(nèi)呈線性電力值
*不易水解,消除了堿誤差
*Ip68防水標(biāo)準(zhǔn)
*寬電壓供電(7~30V)
*低漂移,體積小,響應(yīng)速度快
*安裝方便,簡單,電腦和手機(jī)直接讀數(shù),設(shè)置,與校準(zhǔn)
*性能穩(wěn)定,使用壽命長
*可選用航空接頭,方便電極更換
LH-PH-S型在線PH/ORP計(jì)技術(shù)參數(shù):
![](https://cbu01.alicdn.com/img/ibank/O1CN01gWqaxX2D3KP4KtN7l_!!2200827628553-0-cib.jpg?__r__=1687942226951)
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